(!!!!!) (Best Value Pair) 6BQ7A RCA black plates NOS "D" getter 1958-1959 (7.6/9ma and 7/9.6ma)
$ 64.99
(!!!!) (Best Pair) 6BQ7A RCA black plates NOS 1967 same date codes (15/14.5ma and 13.5/16.5ma)
$ 69.99
(!!!!) (Best Value Pair) 6BQ7A RCA black plates NOS "D" and "U" getter 1957 (9/16ma and 9/14.5ma)
$ 64.99
(!!!!) (GE Pair) 6BQ7A GE NOS "O" getter halo 1976 (7/10ma and 7/9ma) (Schiit, DNA, Modwright)
$ 29.99
(!!!!) (Recommended Pair) 6BQ7A RCA black plates NOS 1967 same date codes (11.8/12ma and 11/12.2ma)
$ 59.99
(!!!) (Recommended Pair) 6BK7B Tungsol black plates NOS "O" getter 1960's (7.5/8.6ma and 8.2/9.4ma)
$ 49.99
(!!!) (Recommended Pair) 6BK7B Tungsol gray plates NOS "O" getter 1960's (10/11ma and 10.6/13.2ma)
$ 39.99
